USES OF IL-174 ANTAGONISTS FOR INHIBITING A Th2 IMMUNE RESPONSE
Agonists or antagonists of cytokine designated IL-174, and various methods of their use are provided. In particular, the methods make use of facts that many activities of the IL-174 cytokine are described.
1 . A method of:
a) directing a mammalian immune response towards a Th2 type response, said method comprising administering an IL-174 agonist to immune cells of the mammal;
b) stimulating an mammalian innate immune response, said method comprising administering an IL-174 agonist to immune cells of the mammal;
c) augmenting a mammalian inflammatory response from epithelial or fibroblast cells, said method comprising further administering an IL-174 agonist to said mammal;
d) inducing gut cell growth, said method comprising administering an IL-174 agonist to said cell;
e) promoting mammalian extra medulary hematopoiesis, said method comprising administering an IL-174 agonist to said mammal;
f) directing a mammalian immune response away from a Th2 type response, said method comprising administering an IL-174 antagonist to immune cells of the mammal;
g) preventing mammalian inflammation or granuloma formation, comprising administering an IL-174 antagonist to immune system cells; or
h) augmenting antibody response in serum and fecal material, said method comprising administering an IL-174 agonist to immune cells of the mammal.
2 . The method of claim 1 :
a) directing a mammalian immune response towards a Th2 type response, said method comprising administering an IL-174 agonist to immune cells of the mammal;
b) stimulating an mammalian innate immune response, said method comprising administering an IL-174 agonist to immune cells of the mammal;
c) augmenting a mammalian inflammatory response from epithelial or fibroblast cells, said method comprising further administering an IL-174 agonist to said mammal;
d) inducing gut cell growth, said method comprising administering an IL-174 agonist to said cell; or
e) promoting mammalian extra medulary hematopoiesis, said method comprising administering an IL-174 agonist to said mammal.
3 . The method of claim 2 :
d) inducing gut cell growth, said method comprising administering an IL-174 agonist to said cell;
e) promoting mammalian extra medulary hematopoiesis, said method comprising administering an IL-174 agonist to said mammal.
4 . The method of claim 1 :
f) directing a mammalian immune response away from a Th2 type response, said method comprising administering an IL-174 antagonist to immune cells of the mammal;
g) preventing mammalian inflammation or granuloma formation, comprising administering an IL-174 antagonist to immune system cells; or
h) augmenting antibody responses in serum and fecal material, said method comprising administering an IL-174 agonist to immune cells of the mammal.
5 . The method of claim 2 administering an agonist, wherein said administering:
a) induces cytokine production by a fibroblast, epithelial, or endothelial cell;
b) downregulates an inflammatory response which accompanies an infection;
c) stimulates growth of an epithelial cell; or
d) induces growth of gut epithelial, fibroblast, or goblet cells.
6 . The method of claim 2 administering an agonist, wherein said mammal exhibits, or has experienced conditions to stimulate:
a) an autoimmune condition;
b) an infectious disease immune response;
c) a wound healing response; or
d) a Th1 mediated condition.
7 . The method of claim 6 , wherein:
a) said autoimmune condition is selected from:
i) multiple sclerosis;
ii) systemic lupus erythematosis;
iii) rheumatoid arthritis;
iv) diabetes; or
v) psoriasis;
b) said infectious response is symptomatic of:
i) an Aspergillis infection;
ii) a fungal infection, including Candidaisis, Blastomycosis, or Aspergillosis;
iii) a parasitic infection, including Schistosomiasis, fluke worm, Helminth, or Filariasis; or
iv) a viral infection, including hepatitis; or
c) said Th1 mediated condition is an inflammatory condition, including Crohn's disease, ulcerative colitis, pancreatitis, hepatitis, or eosinophilic gastritis.
8 . The method of claim 7 treating an infectious response, further comprising administering another therapeutic entity to treat said infection.
9 . A method of claim 2 , stimulating an mammalian innate immune response.
10 . The method of claim 4 administering an antagonist, wherein said antagonist is a monoclonal antibody against IL-174.
11 . The method of claim 4 administering an antagonist, wherein:
a) said administering blocks eosinophil attraction, tissue remodeling, or fibrosis; or
b) said mammal exhibits, or has experienced conditions to stimulate:
i) an allergic condition;
ii) an inflammatory condition; or
iii) a Th2 mediated condition.
12 . The method of claim 11 , wherein:
a) said eosinophils are attracted to the lung, liver or intestine
b) said fibrosis is pancreatic duct or peribiliary fibrosis;
c) said antagonist suppresses production of IL-4, IL-5, and/or IL-13;
d) said antagonist decreases eotaxin, CCR4, and/or CCR4 expression in BAL;
e) symptoms of said allergic condition are in the lung;
f) said allergic condition is a systemic anaphylactic response, skin hypersensitivity response, or a food allergy; or
g) said inflammatory or Th2 mediated condition is a dermatitis or asthmatic inflammation.
13 . The method of claim 11 , wherein said mammal exhibits, or has experienced conditions to stimulate:
a) an allergic condition;
b) an inflammatory condition; or
c) a Th2 mediated condition.
14 . A composition comprising:
a) an IL-174 agonist and:
i) an antimicrobial, including an antibiotic, antiviral, or antifungal compound; or
ii) a chemotherapy agent; or
b) an IL-174 antagonist and:
i) an allergy medicament;
ii) an asthma medicament;
iii) a dermatitis medicament;
iv) a fibrosis medicament; or
v) an eosinophilic gastritis medicament.